Home / 566,837.82-782,271.54-312,188.94

Finding the Fourth Proportional to 566,837.82, 782,271.54 and 312,188.94

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Solution

The fourth proportional to 566,837.82, 782,271.54 and 312,188.94 is: 430,840.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,837.82 : 782,271.54 = 312,188.94 : x
  2. Step 2: Convert to fraction form
    566,837.82/782,271.54 = 312,188.94/x
  3. Step 3: Cross multiply
    566,837.82x = 782,271.54 × 312,188.94
  4. Step 4: Simplify right side
    566,837.82x = 244,216,522,864.77
  5. Step 5: Solve for x
    x = 244,216,522,864.77/566,837.82
  6. Step 6: Final answer
    x = 430,840.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.